Title taken from front. View of cranes and other equipment near bridge pier during railroad bridge construction on Tanana River, Nenana, Alaska, with pile drivers in center and background along river. An Alaska Engineering Commission photo....

Title taken from front. View of cranes on Alaska Engineering Commission railroad bridge during construction over Susitna River, Alaska, with man standing near top of bridge, men on bridge at center, and railroad cars on tracks at right. Also from...

View of Port of Anchorage building at port in Anchorage, Alaska, with cranes in background. Sign on building reads: "Port of Anchorage." Aug. 1961. Photographer: Ward W. Wells. Original photograph size: 5" x 7".

Title taken from verso. View of men with cranes laying pipe between Hogan Hill and Glennallen, Alaska, during Trans-Alaska Pipeline construction in Southcentral Alaska. March 1976. Photographer: Steve McCutcheon. Original photograph size: 8" x 10".

Title taken from verso. View of weighted pipe and cranes at Trans-Alaska Pipeline construction site near Pump Station 12, near mile 64.5 of Richardson Highway in Southcentral Alaska. May 15, 1975. Photographer: Steve McCutcheon. Original photograph...

Title taken from caption. Aerial view of an Alaskan Air Command radar installation. From verso: "HQ AAC -- Early warning -- BMEWS Site 2, at Clear, Alaska boasts three AN/FPS-50 fixed detection radars. Clear was the second operational site in the...

Title taken from caption. View of a ski jump at Ship Creek in Anchorage, Alaska. There are at least three people on the ski jump, the lowest apparently in the process of jumping, while a crowd of spectators is gathered at the bottom of the jump....

Title taken from caption. View of construction equipment and crews working on the Kluane bridge on the Alaska Highway in the Yukon Territory of Canada. Photograph taken June 23, 1953. Photograph type: 35 mm color slide.

View of outbuilding at the Cape Spencer Light Station in southeast Alaska. Part of a crane can be seen to the left of the photo and islands around the lighthouse can be seen in the background. From verso: "Historic American Engineering Record...

View of outbuilding and base of crane at Cape Spencer Light Station in southeast Alaska. Islands around the lighthouse can be seen in the background. From verso: "Historic American Engineering Record (Library of Congress negative) Jet Lowe,...

Close up view of outbuilding and base of crane at Cape Spencer Light Station in southeast Alaska. Writing on building reads: "Restored to full ops by the Ketchikan Ind. A Team [?] Conklin 6-19-89." From verso: "Historic American Engineering Record...

View of crane and center truss during construction of White Alice Communications site at Cold Bay, Alaska. Another crane is visible in right background and construction materials are in foreground. The White Alice Communications System (WACS) was a...

View of building under construction at White Alice Communications Systems site in Port Moller, Alaska, with crane in left foreground. The White Alice Communications System (WACS) was a United States Air Force telecommunication link system...

View of road under construction at White Alice Communications site on Middleton Island, Alaska, with partially constructed buildings and crane in background. The White Alice Communications System (WACS) was a United States Air Force...